Insider Transactions Reported by 26 Insiders of BIO-RAD LABORATORIES, INC.

Symbol
BIO, BIO-B on NYSE
Location
Hercules, CA

Insiders trading volume in the past year

BIO-RAD LABORATORIES, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Alice N. Schwartz Director Emeritus, 10%+ Owner $3,592,267,092 26 Aug 2024
Steven D. Schwartz 10%+ Owner $2,584,683,847 26 Aug 2024
Norman D. Schwartz Chairman & CEO, Director, 10%+ Owner $1,211,491,434 05 Sep 2025
Colleen Corey EVP, Global Human Resources $6,425,168 05 Sep 2025
Michael Crowley EVP, GBL Commercial Operations $4,845,979 14 Mar 2025
Andrew J. Last EVP, Chief Operating Officer $4,079,191 06 Sep 2024
Diane Dahowski EVP, Global Supply Chain $3,636,714 01 Sep 2023
Jonathan P. DiVincenzo President & COO $2,420,326 24 Oct 2025
Roop K. Lakkaraju EVP, Chief Financial Officer $2,276,423 05 Sep 2025
Sedat Evran EVP, Global Supply Chain $1,601,684 20 Oct 2025
Eva Anette Engelhardt EVP, President, CDG $1,563,730 05 Sep 2025
Annette Tumolo Executive Vice President $1,406,116 11 Nov 2021
James Barry EVP, President, LSG $1,346,828 -$214,289 -14% 06 Nov 2025
Timothy S. Ernst EVP, General Counsel & Sec $1,123,036 08 Mar 2024
Courtney C. Enloe EVP, General Counsel & Sec $1,051,838 05 Sep 2025
Simon May EVP, President, LSG $950,499 08 Mar 2024
Ilan Daskal EVP, Chief Financial Officer $923,224 01 Sep 2023
Dara Wright EVP, President, CDG $709,782 16 Dec 2023
Allison Schwartz Director $534,169 05 Sep 2025
Ajit Ramalingam SVP, Chief Accounting Officer $195,585 01 Sep 2023
Jeffrey L. Edwards Director $161,843 22 Apr 2025
Gregory K. Hinckley Director $161,843 22 Apr 2025
Arnold A. Pinkston Director $161,843 22 Apr 2025
Melinda Litherland Pei Director $161,843 22 Apr 2025
Tania DeVilliers Int Prin Acctg Ofc $16,837 19 Sep 2023
Rajat Mehta EVP, GBL Commercial Operations 05 Sep 2025

Recent Insider Transactions by Companies or Individuals for BIO-RAD LABORATORIES, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
James Barry BIO Bio-Rad A Common Stock Sale -57.9% $214,289 $306.18 -700 510 06 Nov 2025 Direct
Jonathan P. DiVincenzo BIO Bio-Rad A Common Stock Tax liability -50.8% -950 919 24 Oct 2025 Direct
Jonathan P. DiVincenzo BIO Bio-Rad A Common Stock Options Exercise 1,869 1,869 24 Oct 2025 Direct
Jonathan P. DiVincenzo BIO Restricted Stock Units Options Exercise -25% -1,869 5,609 24 Oct 2025 Direct
Sedat Evran BIO Bio-Rad A Common Stock Tax liability -13% -335 2,233 20 Oct 2025 Direct
Sedat Evran BIO Bio-Rad A Common Stock Options Exercise 68.5% 1,044 2,568 20 Oct 2025 Direct
Sedat Evran BIO Restricted Stock Units Options Exercise -33.3% -1,044 2,088 20 Oct 2025 Direct
Sedat Evran BIO Bio-Rad A Common Stock Tax liability -15.4% -277 1,524 06 Sep 2025 Direct
Sedat Evran BIO Bio-Rad A Common Stock Options Exercise 92.2% 864 1,801 06 Sep 2025 Direct
Sedat Evran BIO Restricted Stock Units Options Exercise -25% -864 2,592 06 Sep 2025 Direct
Roop K. Lakkaraju BIO Bio-Rad A Common Stock Tax liability -23% -550 1,844 06 Sep 2025 Direct
Roop K. Lakkaraju BIO Bio-Rad A Common Stock Options Exercise 178.8% 1,535 2,394 06 Sep 2025 Direct
Roop K. Lakkaraju BIO Restricted Stock Units Options Exercise -25% -1,535 4,608 06 Sep 2025 Direct
Colleen Corey BIO Bio-Rad A Common Stock Tax liability -1.06% -209 19,550 06 Sep 2025 Direct
Colleen Corey BIO Bio-Rad A Common Stock Options Exercise 3% 576 19,759 06 Sep 2025 Direct
Colleen Corey BIO Restricted Stock Units Options Exercise -25% -576 1,728 06 Sep 2025 Direct
James Barry BIO Bio-Rad A Common Stock Tax liability -23.8% -378 1,210 06 Sep 2025 Direct
James Barry BIO Bio-Rad A Common Stock Options Exercise 198.7% 1,056 1,588 06 Sep 2025 Direct
James Barry BIO Restricted Stock Units Options Exercise -25% -1,056 3,168 06 Sep 2025 Direct
Allison Schwartz BIO Bio-Rad A Common Stock Tax liability -2.22% -33 1,456 06 Sep 2025 Direct
Allison Schwartz BIO Bio-Rad A Common Stock Options Exercise 6.59% 92 1,489 06 Sep 2025 Direct
Allison Schwartz BIO Restricted Stock Units Options Exercise -24.9% -92 277 06 Sep 2025 Direct
Eva Anette Engelhardt BIO Bio-Rad A Common Stock Tax liability -31.6% -413 896 06 Sep 2025 Direct
Eva Anette Engelhardt BIO Bio-Rad A Common Stock Options Exercise 733.8% 1,152 1,309 06 Sep 2025 Direct
Eva Anette Engelhardt BIO Restricted Stock Units Options Exercise -25% -1,152 3,456 06 Sep 2025 Direct
Courtney C. Enloe BIO Bio-Rad A Common Stock Tax liability -30.4% -275 629 06 Sep 2025 Direct
Courtney C. Enloe BIO Bio-Rad A Common Stock Options Exercise 564.8% 768 904 06 Sep 2025 Direct
Courtney C. Enloe BIO Restricted Stock Units Options Exercise -25% -768 2,304 06 Sep 2025 Direct
Norman D. Schwartz BIO Bio-Rad A Common Stock Tax liability -0.34% -1,528 443,434 06 Sep 2025 Direct
Norman D. Schwartz BIO Bio-Rad A Common Stock Options Exercise 0.78% 3,455 444,962 06 Sep 2025 Direct
Norman D. Schwartz BIO Restricted Stock Units Options Exercise -25% -3,455 10,367 06 Sep 2025 Direct
Sedat Evran BIO Restricted Stock Units Award 4,110 4,110 05 Sep 2025 Direct
Roop K. Lakkaraju BIO Restricted Stock Units Award 5,480 5,480 05 Sep 2025 Direct
Colleen Corey BIO Restricted Stock Units Award 2,740 2,740 05 Sep 2025 Direct
James Barry BIO Restricted Stock Units Award 4,110 4,110 05 Sep 2025 Direct
Allison Schwartz BIO Restricted Stock Units Award 914 914 05 Sep 2025 Direct
Jonathan P. DiVincenzo BIO Restricted Stock Units Award 6,850 6,850 05 Sep 2025 Direct
Eva Anette Engelhardt BIO Restricted Stock Units Award 4,110 4,110 05 Sep 2025 Direct
Courtney C. Enloe BIO Restricted Stock Units Award 2,740 2,740 05 Sep 2025 Direct
Norman D. Schwartz BIO Restricted Stock Units Award 16,439 16,439 05 Sep 2025 Direct
Rajat Mehta BIO Restricted Stock Units Award 7,307 5,480 05 Sep 2025 Direct
Allison Schwartz BIO Bio-Rad A Common Stock Tax liability -3.79% -55 1,397 01 Sep 2025 Direct
Allison Schwartz BIO Bio-Rad A Common Stock Options Exercise 11.3% 147 1,452 01 Sep 2025 Direct
Allison Schwartz BIO Restricted Stock Units Options Exercise -100% -147 0 01 Sep 2025 Direct
James Barry BIO Bio-Rad A Common Stock Tax liability -29% -217 532 01 Sep 2025 Direct
James Barry BIO Bio-Rad A Common Stock Options Exercise 410.8% 602 749 01 Sep 2025 Direct
James Barry BIO Restricted Stock Units Options Exercise -100% -602 0 01 Sep 2025 Direct
Colleen Corey BIO Bio-Rad A Common Stock Tax liability -2.03% -398 19,183 01 Sep 2025 Direct
Colleen Corey BIO Bio-Rad A Common Stock Options Exercise 5.96% 1,102 19,581 01 Sep 2025 Direct
Colleen Corey BIO Restricted Stock Units Options Exercise -100% -1,102 0 01 Sep 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.